CONTROLLO ZONE FZ4B
68
cod. FZ4B - 06/2011 (Rev. 00)
EN
One direct zone
Schematic diagram
CALDAIA
318a
a
72a/139a
fi
g. 6
Electrical connections
After installation, carry out the necessary electrical connections as shown in the wiring diagram.
Then con
fi
gure the controller as described in the speci
fi
c section.
RY1
RY2
RY3
RY4
RY5
RY6
RY7
RT1
RT2
RT3
T1
T2
T3
T4
7 (L)
8 (N)
9 (L)
10 (N)
11 (L)
12 (L)
13 (L)
14 (N)
15 (L)
16 (L)
19 - 20
21 - 22
23 - 24
25 - 26
27 - 28
29 - 30
30 - 31
318a
318a
72a/139a
318a
318a
72a/139a
138
318a
139a
72a
138
230Vac
50Hz
L
N
IMPIANTO
FZ4B
X15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 2526 27 28 29 3031 32 33
L_N L_N L_N L
L_N
L
L L
X01
X02
X03
X09
X10
X11
X12
X13
X14
BUSRT1 RT2 RT3 T1
T2
T3T4 BLR
fi
g. 7
Key
72a
1st zone (direct) room thermostat
a
1st zone (direct)
138
External probe
____ Necessary wiring
139a
1st zone (direct) Remote Timer Control
- - - - Optional wiring
318a
1st zone (direct) circulating pump
To manage the sliding temperature it is necessary to purchase the external probe accessory code 013018X0
Summary of Contents for FZ4B
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